This page only updates precious events about Lee Siyeon
Lee Siyeon profile
| stage name | Siyeon |
| Korean name | 이시연 |
| English name | Lee Siyeon |
| Chinese name | 李始娟 |
| nationality | South Korea |
| gender | female |
| place of birth | Daegu, South Korea |
| date of birth | October 1, 1995 |
| age | |
| Blood type | A |
| zodiac sign | Libra |
| talent agency | Dreamcatcher Company |
| idol group | Dreamcatcher |
| position in the group | Lead Vocalist |